Demo Robot OPENGL - By Jun

#include "stdafx.h"
#include<glut.h>
static int tayphai = 0, taytrai = 0, toanthan = 0;

void init(void)
{
glClearColor(0, 0, 0, 0);
glShadeModel(GL_FLAT);
}

void display(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glPushMatrix();
glRotatef((GLfloat)toanthan, 0.0, 1.0, 0.0);
glPushMatrix();
glScalef(1.0, 2.0, 1.0);
glutWireCube(1);
glPopMatrix();

//vaitrai
glTranslatef(-0.5, 1, 0);
glPushMatrix();
glScalef(0.5, 0.5, 0.5);
glutSolidSphere(0.5, 10, 10);
glPopMatrix();

//vaiphai
glTranslatef(0.5, -1, 0);
glTranslatef(0.5, 1, 0);
glPushMatrix();
glScalef(0.5, 0.5, 0.5);
glutSolidSphere(0.5, 10, 10);
glPopMatrix();

//taytrai
glTranslatef(-0.5, -1, 0);
glTranslatef(-0.5, 1, 0);
glRotatef((GLfloat)taytrai, 0.0, 0.0, 1.0);
glTranslatef(-1.0, 0.0, 0.0);
glPushMatrix();
glScalef(1.5, 0.5, 0.5);
glutWireCube(1);
glPopMatrix();

glPopMatrix();

//////////

glPushMatrix();
glRotatef((GLfloat)toanthan, 0.0, 1.0, 0.0);

//chanphai
glTranslatef(0.25, -1.5, 0);
glPushMatrix();
glScalef(0.5, 1.0, 0.5);
glutWireCube(1);
glPopMatrix();

//chantrai
glTranslatef(-0.25, 1.5, 0);
glTranslatef(-0.25, -1.5, 0);
glPushMatrix();
glScalef(0.5, 1.0, 0.5);
glutWireCube(1);
glPopMatrix();

//dau
glTranslatef(0.25, 1.25, 0);
glTranslatef(0, 1.5, 0);
glPushMatrix();
glScalef(0.5, 0.5, 0.5);
glutWireCube(1);
glPopMatrix();
//tayphai
glTranslatef(0, -1.5, 0);
glTranslatef(0.5, 1.2, 0);
glRotatef((GLfloat)tayphai, 0.0, 0.0, 1.0);
glTranslatef(1.0, 0.0, 0.0);
glPushMatrix();
glScalef(1.5, 0.5, 0.5);
glutWireCube(1);
glPopMatrix();
glPopMatrix();

glutSwapBuffers();
}

void manhinh(int w, int h)
{
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(65, w / h, 1, 20);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslated(0, 0, -5);
}

void dieukhien(unsigned char key, int x, int y)
{
switch (key)
{
case 't':
toanthan = (toanthan + 5) % 360;
glutPostRedisplay();
break;
case 'T':
toanthan = (toanthan - 5) % 360;
glutPostRedisplay();
break;
case 'g':
tayphai = (tayphai + 5) % 360;
glutPostRedisplay();
break;
case 'G':
tayphai = (tayphai - 5) % 360;
glutPostRedisplay();
break;
case 'F':
taytrai = (taytrai + 5) % 360;
glutPostRedisplay();
break;
case 'f':
taytrai = (taytrai - 5) % 360;
glutPostRedisplay();
break;
case 'e':
exit(0);
break;
default:
taytrai = 0; tayphai = 0; toanthan = 0;
glutPostRedisplay();
break;
}
}

int main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
glutInitWindowSize(600, 600);
glutInitWindowPosition(100, 100);
glutCreateWindow(argv[0]);
init();
glutDisplayFunc(display);
glutReshapeFunc(manhinh);
glutKeyboardFunc(dieukhien);
glutMainLoop();
return 0;
}